Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497460 | Suspension and drive mechanism for a multi-surface vehicle | Brad Lemke, Cary Safe, Edgar Hetteen | 2002-12-24 |
| 6435291 | Suspension and drive mechanism for multi-surface vehicle | Brad Lemke, Cary Safe, Edgar Hetteen | 2002-08-20 |
| 6435292 | Suspension and drive mechanism for a multi-surface vehicle | Brad Lemke, Cary Safe, Edgar Hetteen | 2002-08-20 |